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Philips Semiconductors
RF/IF circuit for AM/FM radio
FM i.f. coils (Fig.10)
Product specification
TEA5570
N1 = 5
N2 = 5
N3 = 4
C19 = 82 pF (internal)
Wire = 0,1 mm dia.
Fig.13 Primary ratio detector coil (L3). TOKO sample no. 119 AN-7 P.
N1 = 2
N2 = 6
N3 = 6
C20 = 68 pF (internal)
Wire = 0,1 mm dia.
Fig.14 Secondary ratio detector coil (L4). TOKO sample no. 119 AN-7 P.
September 1987
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